<?php /** * Utility functions */ /** * Generate a custom length excerpt. * If the content of the post is less than the provided length, * the entire content is returned. * @param $word_count * * @return string */ function understrap_excerpt_with_length( $post_id, $word_count ) { $post = get_post( $post_id ); $permalink = get_post_permalink( $post_id ); $content = strip_tags( $post->post_content ); if ( str_word_count( $content, 0 ) > $word_count ) { $words = str_word_count( $content, 2 ); $keys = array_keys( $words ); $excerpt = substr( $content, 0, $keys[ $word_count ] ); $link_class = " class=\"btn btn-secondary understrap-read-more-link\""; $excerpt = '<p>' . $excerpt . '[...]</p>'; $excerpt .= '<p><a href="' . $permalink . '"' . $link_class . '>Read More</a></p>'; } else { return $content; } return $excerpt; }